| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.cell.client; |
| |
| import com.google.gwt.dom.client.Element; |
| import com.google.gwt.dom.client.InputElement; |
| import com.google.gwt.dom.client.NativeEvent; |
| |
| /** |
| * A {@link AbstractCell} used to render a text input. |
| * |
| * <p> |
| * Note: This class is new and its interface subject to change. |
| * </p> |
| */ |
| public class TextInputCell extends AbstractEditableCell<String, String> { |
| |
| public TextInputCell() { |
| super("change", "keyup"); |
| } |
| |
| @Override |
| public void onBrowserEvent(Element parent, String value, Object key, |
| NativeEvent event, ValueUpdater<String> valueUpdater) { |
| String eventType = event.getType(); |
| if ("change".equals(eventType)) { |
| InputElement input = parent.getFirstChild().cast(); |
| String newValue = input.getValue(); |
| setViewData(key, newValue); |
| if (valueUpdater != null) { |
| valueUpdater.update(newValue); |
| } |
| } else if ("keyup".equals(eventType)) { |
| // Record keys as they are typed. |
| InputElement input = parent.getFirstChild().cast(); |
| setViewData(key, input.getValue()); |
| } |
| } |
| |
| @Override |
| public void render(String value, Object key, StringBuilder sb) { |
| // Get the view data. |
| String viewData = getViewData(key); |
| if (viewData != null && viewData.equals(value)) { |
| clearViewData(key); |
| viewData = null; |
| } |
| |
| String s = (viewData != null) ? viewData : (value != null ? value : null); |
| if (s != null) { |
| sb.append("<input type='text' value='").append(s).append("'></input>"); |
| } else { |
| sb.append("<input type='text'></input>"); |
| } |
| } |
| } |